On the O(αt2) two-loop corrections to the neutral Higgs boson masses in the MSSM

By A. Brignole, Giuseppe Degrassi, Pietro Slavich, F. Zwirner. 2001

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Abstract We compute the O (α t 2 ) two-loop corrections to the neutral CP-even Higgs boson mass matrix in the Minimal Supersymmetric Standard Model, for arbitrary values of m A and of the parameters in the stop sector, in the effective potential approach. In a large region of parameter space these corrections are sizeable, increasing the prediction for m h by several GeV. We present explicit analytical formulae for a simplified case. We discuss the inclusion of momentum-dependent corrections and some possible ways of assigning the input parameters.

Subfields: Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/6a9c3af077d19ee041ffd1d1877cc67a3ce0b79b

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